[CMake] Unix make files and CMAKE_EXE_LINKER_FLAGS_RELEASE

[Neal Meyer]

That seems to be different from the Visual Studio Generator's
implementation.  I've got the following in my CMake for Windows builds.
(using VS 2005)

set( CMAKE_EXE_LINKER_FLAGS "/MANIFEST /DEBUG /MACHINE:X86" CACHE STRING "Flags
used by the linker" FORCE )

set( CMAKE_EXE_LINKER_FLAGS_DEBUG "/INCREMENTAL:NO" CACHE STRING "Flags used
by the linker" FORCE )

set( CMAKE_EXE_LINKER_FLAGS_RELEASE "/INCREMENTAL:NO /OPT:REF /LTCG" CACHE
STRING "Flags used by the linker" FORCE )


For the release builds the linker flags are CMAKE_EXE_LINKER_FLAGS +
CMAKE_EXE_LINKER_FLAGS_RELEASE.  Similar for the Debug builds.  This seems
much simpler, because it allows for the combination of the Linker Flags
which is nice for avoiding repetition in the flags.


-Neal

On Tue, Feb 24, 2009 at 3:54 PM, Philip Lowman <philip at yhbt.com> wrote:

> On Tue, Feb 24, 2009 at 6:45 PM, Neal Meyer <nmeyer at dottedzebra.com>wrote:
>
>> Philip,
>> Ok... so it works with the Build_Type thing set, but now with out it.  I
>> also I'm using XCode sometimes and it doesn't use the linker flags at all.
>>
>
> set(CMAKE_EXE_LINKER_FLAGS "-L/no/build/type")  ?
>
> Don't know much about xcode, unfortunately.  Post a clear example of what
> you're trying to do and what Xcode isn't doing for you and hopefully someone
> else can help with that.
>
>
> -Neal
>>
>>
>>
>>> It could be something simple like
>>> 1. The CMAKE_EXE_LINKER_FLAGS_<config> variable is somehow not in scope
>>> when you're calling add_executable()
>>> 2. Setting CMAKE_EXE_LINKER_FLAGS_MinSizeRel (uppercase config names
>>> seems to be the only thing that works for me).
>>> 3. You forgot to set CMAKE_BUILD_TYPE at configure time
>>>
>>> Could you try the following small CMakeLists.txt on your system and see
>>> if it works OK?
>>>
>>> ====
>>> project(Foo)
>>> cmake_minimum_required(VERSION 2.6)
>>>
>>> set(CMAKE_EXE_LINKER_FLAGS_DEBUG "-L/FOO_DEBUG_OK")
>>> set(CMAKE_EXE_LINKER_FLAGS_RELEASE "-L/FOO_RELEASE_OK")
>>> set(CMAKE_EXE_LINKER_FLAGS_MINSIZEREL "-L/FOO_MINSIZEREL_OK")
>>> set(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "-L/FOO_RELWITHDEBINFO_OK")
>>>
>>> add_executable(foo foo.cc)
>>> ====
>>> cmake -DCMAKE_BUILD_TYPE=Debug
>>>
>>>
>>>
>>> --
>>> Philip Lowman
>>>
>>
>>
>
>
> --
> Philip Lowman
>
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